80420940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2741}}^1$

素因数の和:2919

約数の個数: 72

約数和(自身を含む): 245529648

約数和(自身を除く): 165108708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2741, 2934, 3260, 4890, 5482, 5868, 7335, 8223, 9780, 10964, 13705, 14670, 16446, 24669, 27410, 29340, 32892, 41115, 49338, 54820, 82230, 98676, 123345, 164460, 246690, 446783, 493380, 893566, 1340349, 1787132, 2233915, 2680698, 4021047, 4467830, 5361396, 6701745, 8042094, 8935660, 13403490, 16084188, 20105235, 26806980, 40210470, 80420940]

約数ペア:

[(1, 80420940), (2, 40210470), (3, 26806980), (4, 20105235), (5, 16084188), (6, 13403490), (9, 8935660), (10, 8042094), (12, 6701745), (15, 5361396), (18, 4467830), (20, 4021047), (30, 2680698), (36, 2233915), (45, 1787132), (60, 1340349), (90, 893566), (163, 493380), (180, 446783), (326, 246690), (489, 164460), (652, 123345), (815, 98676), (978, 82230), (1467, 54820), (1630, 49338), (1956, 41115), (2445, 32892), (2741, 29340), (2934, 27410), (3260, 24669), (4890, 16446), (5482, 14670), (5868, 13705), (7335, 10964), (8223, 9780)]